{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["protein", "DNA", "RNA", "cell type", "cell line"], "input": "In this paper, we demonstrate that the B2 factor is expressed in the cytosol of monocytes and macrophages as a DNA-binding protein , indicating that it is not associated with an inhibitor ( IKB )."}
{"protein": ["B2 factor", "DNA-binding protein"], "DNA": [], "RNA": [], "cell type": ["monocytes", "macrophages"], "cell line": []}